Why Facebook Advertisers Spend More on Mobile

“Analysts found that the iPad had a 97 percent share of Facebook advertisers’ ad spend for tablets, but the Android had a 71 percent share of Facebook advertisers’ ad spend for smartphones.

“The most significant reason is the changing landscape of install bases for mobile devices,’ said Herrold. ‘Today, the android OS dominates market share and shipments of smartphones whereas iPad/iOS still retains the lead for install base of tablet devices.'”